TM  10-3930-638-24&P 2-56.      HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont) c.  LiftingForks. This task covers: a.  Removal b.  Installation/Replacement PERSONNEL REQUIRED Two  maintenance  technicians INITIAL SETUP TOOLS No. 1 Common Organiza- tional  Maintenance  Tool  Kit Bar,  1-1/2  inch  diameter by 18 inches long Hard Wooden Blocks (2), 6 by 6 by 30 inches MATERIALS/PARTS Lifting  forks EQUIPMENT CONDITION NSN  4910-00-754-0654 Paragraph Condition   Description Vehicle  parked  on  level  surface,  lifting forks  raised  waist  high  (approximately 3-1 /2 feet from ground), carriage assem- bly blocked so it will not fall, engine off, parking brake applied, and placard placed on control valve levers indicating levers are not to be operated. Lifting forks positioned approximatley six inches from ends of carriage assembly. 2-400